RX-V795a/RDS/HTR-5170
22
RX-V795a
/ RDS
HTR-5170
■
TUNER ADJUSTMENTS
●
Measuring Instruments
FM signal generator (FM SG)
Stereo signal generator (SSG)
AM signal generator (AM SG)
Distortion meter (DIST. M)
AC voltmeter (ACVM)
DC voltmeter (DCVM)
Oscilloscope
Low pass filter (YLF-15, fc=15kHz)
Oscillator
●
Dummy antenna
●
Test point
AM SG
(50
Ω
)
AM dummy antenna
50
Ω
10K
Ω
AM ANT
GND
FM SG
(50
Ω
)
E1
FM dummy antenna
60
Ω
10
Ω
45
Ω
E2
RECEIVER
(75
Ω
)
E2 (dB) = E1 (dB) -6 (dB)
FM SG
(75
Ω
)
E1
FM dummy antenna
E2
RECEIVER
(75
Ω
)
E2 (dB) = E1 (dB)
VR1
VR2
T2
TP1
TP2
T1
T3
T5
T4
CB4
PK2
IC1
IFT
IFT
AM ANT
GND
FM ANT
FRONT END
IC3
IC2
16
SEPARATION
ADJ.
DISCRIMINATOR
BALANCE ADJ.
(IC1 side)
MONAURAL
DISTORTION ADJ.
(TE1 side)
AM SENSITIVITY ADJ.
U,C,R models
A,L,T,B,G models
SIGNAL METER
ADJ.